Analysis

  • max time kernel
    25s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 15:23

General

  • Target

    76635e2a5359ec267712b33a6b6bb37c4d43d5f86ce855c6cc44939f4b14df4d.dll

  • Size

    172KB

  • MD5

    0a31218fbec81ec290c106ac73ee9180

  • SHA1

    a495f3a230d9b37b78b85e4c2a29bf44d31ddab6

  • SHA256

    76635e2a5359ec267712b33a6b6bb37c4d43d5f86ce855c6cc44939f4b14df4d

  • SHA512

    4a170a52f640842ae2653e9d1b5a6ad7d0c879f85b48bec83e720b0943e553d6d5f0416aa6c638aa2364edcc65903530eb3e099a2a7867eaec31f7607a9d718b

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

210.65.244.187:443

162.241.41.92:2303

46.231.204.10:8172

185.183.159.100:4125

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\76635e2a5359ec267712b33a6b6bb37c4d43d5f86ce855c6cc44939f4b14df4d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:860
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\76635e2a5359ec267712b33a6b6bb37c4d43d5f86ce855c6cc44939f4b14df4d.dll,#1
      2⤵
        PID:1592
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 684
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:768

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1592-115-0x0000000073D90000-0x0000000073DC0000-memory.dmp

            Filesize

            192KB

          • memory/1592-117-0x0000000002600000-0x000000000274A000-memory.dmp

            Filesize

            1.3MB